【案例】北师大版五年级上册《红树林》在教学《红树林》第四自然段时,学生对红树“胎生”的特点一目了然,作为教师无须多言。正当我打算结束这段教学,引领学生探讨红树林的精神时,一只高高举起的小手引起了我的注意。原来是一向思维敏捷、发言积极的陈志同学。我立即示意他站起来说。 [Case] ​​Beijing Normal University version of the fifth grade on the book “mangroves” In the teaching of “mangroves,” the fourth paragraph of nature, the students of mangrove “viviparity ” at a glance, as a teacher needless to say. Just as I planned to end this teaching and lead students to explore the spirit of the mangroves, a tall hand raised my attention. The original is always agile thinking, positive statement Chen students. I immediately indicated that he stood up and said.